Binder



FIG. 1 is a perspective view of a binder showing my new design; and,

FIG. 2 is a front elevational view thereof.

The broken line showing the outer structure of the binder in FIGS. 1-2 is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a binder, as shown and described. 